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Old 2010-03-16, 12:37 PM   #46
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by cody View Post
I know he hates the 75w90NS. I saw a post today where he said that it's really awful on the gear box. Is the ULSP 75w-90?
I thought the ultralight didn't have the right friction for the synchros even though it's the right viscosity according to the manual.

But I don't really follow the whole gear oil saga... once I tried the lightweight shockproof, that's all I use.
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